Oxygenated derivatives of 3,7-dimethyl-1-(2,6,6-trimethylcyclohex-1-enyl)nona-1,3,5,7-tetraene as shown and derivatives thereof.
See also: carotenoids, retro
PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1363 (https://doi.org/10.1351/pac199567081307)
White Book, 2nd ed., p. 247 (https://www.qmul.ac.uk/bibliog/white.html)